Orthodontic anchorage screw



FIG. 1 is a perspective view of an orthodontic anchorage screw showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a right side elevation thereof, the side opposite being substantially a mirror image; and,

FIG. 6 is a rear elevational view thereof. 

The ornamental design for an orthodontic anchorage screw, as shown and described. 